New York Yankees closer Mariano Rivera will retire after the 2013 season and will make that news official at a press conference Saturday, the New York Post reports.

Mariano Rivera has saved 608 games in his legendary career. (AP Photo)

The team has confirmed there will be a press conference Saturday at 10:00 am ET at in the Yankees Pavilion at George M. Steinbrenner Field in Tampa, Fla. But there has been no reason given.

Rivera, 43, recently said he had made a decision about his future and would reveal it sometime before opening day. It has been widely assumed that the all-time saves leader will walk away after this season.

There was much speculation at this time last year that Rivera would retire after the 2012 season, but those plans likely were changed after he tore his ACL while shagging fly balls in batting practice in early May. At that time, he vowed to return for the 2013 season.

During the offseason, Rivera reportedly again flirted with the idea of retirement but ultimately re-signed with New York for one year in November.

Rivera, easing his way back into action after knee surgery, has yet to appear in a Grapefruit League game this spring but could make his debut Saturday.

In nine appearances in 2012, Rivera was 1-1 with five saves and a 2.16 ERA. In his 18-season major league career—spent entirely with the Yankees—he is 76-58 with 608 saves and a 2.21 ERA. Rivera has played for seven pennant winners and five World Series champions.